kneeki@kneeki-desktop:~$ beryl-xgl --replace**************************************************************
* Beryl system compatibility check                           *
**************************************************************

Detected xserver                                : XGL

Checking Display :1.0 ...

Checking for XComposite extension               : passed (v0.3)
Checking for XDamage extension                  : passed
Checking for RandR extension                    : passed
Checking for XSync extension                    : passed